IMPHAL, Nov 8: Unidentified miscreants suspected to be UG cadre, today exploded a grenade at the courtyard of Wangoi Municipal Chairperson, Bala Devi of Wangbrei Khaidem Leikai, ward No: 7, today around 6:30 pm.
Sources said, the grenade exploded at the courtyard but there was no casualty, however the wind shield glass of a Maruti car parked at the courtyard was damaged during the blast.